Rickets is a deficiency of vitamin D and __________

Which of the following situations would require the use of sterile technique?

A. Debridement of a partial-thickness burn that measures 4 cm x 5 cm. B. Bandaging a patient with a large abdominal wound with gauze packing. C. Performance of a dressing change by a family member in a home care setting. D. All of the above.

An open-circuit SCBA air cylinder control valve should be _____ when in use

A. opened fully B. partially open C. opened slowly D. monitored closely